US3499268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for cleaning dust separating apparatus
Assignee: Aerodyne Machinery Corp
•
Filing: 1968-07-12
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Granted: 1970-03-10
•
Expires: 1988-07-12
Abstract
No abstract record available.
Inventors
- 👤 Josef Pausch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:37
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02; B01D46/04; B01D46/0002; B01D46/0005; B01D46/66; B01D46/70; B01D46/71; B01D2265/00; B01D2265/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA700483A
Cited
US1108247A
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GB411960A
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US2308365A
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US2352792A
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FR908630A
Cited
US2546558A
Cited
US2819800A
Cited
US2779433A
Cited
US2862622A
Cited
US3045897A
Cited
US3394532A
Cited
US3394815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |